I just listened to Casadesus' studio recording of the Chopin Ballades from 1950, and I liked them a lot! The same CD had an amazing piano sonata 2 performed by Rachmaninov and an excellent piano sonata 3 by Lipatti. It's from this set:

Has anybody here heard this disc? It seems very tempting. Are the Chopin Ballades here from 1928-1930?